Peak · Mount St. Helens
Tumwater Mountain
10.7 mi round trip3,359 ft gainHardDay hike: No permitOvernight: No permit
Get alerts for this hikePermits and reservations
Day hikeNo permit
No permit or reservation.
OvernightNo permit
No permit or reservation. Camp at least 200 ft from lakes and streams.
Outside wilderness and park boundaries, on Forest Service land. Matched from official boundaries and trail managers. Always confirm with the land manager before you go.
About the trail
Distance10.7 miRound trip, out and back
Elevation gain3,359 ftTotal climb, round trip
Summit5,240 ftFrom elevation data
Overview
Tumwater Mountain is a peak reached by a 10.7-mile round trip from Trailhead on Forest Road 2750. The route follows Goat Creek Trail #205, then Tumwater Mountain Trail #218 to the summit.
Heads up: the last stretch to the top is off trail.
Photos from hikers
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What you need
Parking and passes
Forest Service trailhead: display a Northwest Forest Pass or an interagency pass (America the Beautiful).
Buy a Northwest Forest PassGetting there
The hike starts at Trailhead on Forest Road 2750. Save directions offline before you leave, since mountain roads often lose cell service.